Senior System administrator with coaching skills

Job Description:

As an IT System Administrator, you will join a team of four infrastructure specialists responsible for the implementation, management, maintenance, and support of the organization’s IT infrastructure. This includes servers, workstations, printers, peripherals, network components, and associated system software across headquarters and approximately one hundred external sites (offices, agencies, and outpatient clinics).

The environment is strongly Microsoft-oriented. You will play a key role in the administration, optimization, and evolution of a predominantly Microsoft ecosystem, ensuring performance, security, and continuity of services.

You will provide 2nd and 3rd line support, assist the helpdesk with complex incidents, and intervene directly when necessary. You will monitor system performance, manage capacity and availability, analyze logs, and carry out tuning and optimization actions. Participation in a 24/7 on-call rotation is required.

As a senior member of the team, you will actively coach and support more junior colleagues, sharing best practices, contributing to knowledge transfer, and helping raise the overall technical maturity of the team.

Over time, you will design and document technical solutions and contribute to strategic improvements in the IT landscape.

Profile:

Bachelor’s or Master’s degree in IT or a related field
Minimum 10 years of relevant experience as a System Administrator in a Microsoft-centric environment
Driving license (Category B)

Technical Skills:

Extensive experience managing Windows 11 enterprise environments (large workstation fleet management, GPOs, endpoint configuration)
Strong hands-on expertise with Microsoft Windows Server 2019/2022 (Active Directory, Group Policy, DNS, DHCP, File Services, Print Services)
Solid experience with Microsoft infrastructure services and administration best practices
Experience with Microsoft 365 / Office 365 administration (user management, licensing, policies)
Good knowledge of virtualization technologies, preferably VMware ESX
Good general knowledge of Linux (Red Hat Enterprise Linux 9 is a plus)
Solid understanding of LAN and WAN network configuration
Knowledge of relational databases (PostgreSQL, MS SQL Server)
Familiarity with Docker, JBoss, MSI packaging, and basic scripting (PowerShell, PHP is a plus)

Skills & Competencies:

Results-oriented with strong focus on internal and external customer satisfaction
Analytical mindset with strong troubleshooting capabilities
Proactive, autonomous, and well-organized
Ability to manage multiple priorities in a complex multi-site environment
Flexible and stress-resistant, including availability for interventions outside standard business hours
Strong communication skills and natural mentoring ability
Good knowledge of technical English and passive knowledge of Dutch

Offer:

Our client offers a permanent contract with a competitive salary package, complemented by meal vouchers, an end-of-year bonus, group insurance, and hospitalization insurance. You will work a 35-hour week with flexible working hours, benefit from up to three days of remote work per week, and finish every Friday at noon, ensuring an excellent work-life balance. The position is based at headquarters, within walking distance of Central Station. There is no company car provided in this job. However, our client provides shared cars whenever you have to move in-between sites.